I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Tell me the slope
Find the largest value in the 3D matrix
Is X a Fibonacci Matrix?
Is it an Armstrong number?
Pernicious Anniversary Problem
Set the array elements whose value is 13 to 0
Return unique values without sorting
Create a matrix from a cell
Convert a numerical matrix into a cell array of strings
Wind outward from the center ...
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